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How to kill zombie process
...entry in the process table.) If your daemon is spawning children that become zombies, you have a bug. Your daemon should notice when its children die and wait on them to determine their exit status.
An example of how you might send a signal to every process that is the parent of a zombie (note th...
Create a matrix of scatterplots (pairs() equivalent) in ggplot2
...matrix:
library(ggplot2)
data(mtcars)
plotmatrix(mtcars[,1:3])
to me mpg (first column in mtcars) should not be a factor. I haven't checked it, but there's no reason why it should be one. However I get a scatter plot :)
Note: For future reference, the plotmatrix() function has been repla...
WPF: How to programmatically remove focus from a TextBox
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in .NET Framework 4 just Keyboard.ClearFocus();
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CSS :not(:last-child):after selector
I have a list of elements, which are styled like this:
8 Answers
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How can I use jQuery in Greasemonkey scripts in Google Chrome?
As some of you may know, Google Chrome has put some severe limitation on Greasemonkey scripts.
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ThreadStart with parameters
How do you start a thread with parameters in C#?
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How to find list of possible words from a letter matrix [Boggle Solver]
Lately I have been playing a game on my iPhone called Scramble. Some of you may know this game as Boggle. Essentially, when the game starts you get a matrix of letters like so:
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UILabel sizeToFit doesn't work with autolayout ios6
How am I supposed to configure programmatically (and in which method) a UILabel whose height depends on its text? I've been trying to set it up using a combination of Storyboard and code, but to no avail. Everyone recommends sizeToFit while setting lineBreakMode and numberOfLines . However, ...
What is the equivalent of 'describe table' in SQL Server?
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Thanks - I was about to post the same question with T-SQL instead of MSSQL.
– Jedidja
Oct 12 '09 at 14:55
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Delete a key from a MongoDB document using Mongoose
...db-native driver. Each model has a collection object that contains all the methods that node-mongodb-native offers. So you can do the action in question by this:
User.collection.update({_id: user._id}, {$unset: {field: 1 }});
Since version 2.0 you can do:
User.update({_id: user._id}, {$unset: {f...